{"publisher":{"name":"MediaBias News","url":"https://mediabias.news","methodology":"https://mediabias.news/methodology","editorialPrinciples":"https://mediabias.news/editorial-principles","corrections":"https://mediabias.news/corrections"},"scoreGuide":{"trust":"How well corroborated and evidenced the source reporting is. 0-100, higher is better.","critic":"Craft quality of the source journalism: context, balance, fact vs comment. 0-100, higher is better.","hype":"How far the source presentation runs ahead of substance. 0-100, LOWER IS BETTER.","scope":"Scores assess the original reporting this article was written from, not the truth of the underlying event and not the quality of this write-up."},"assessmentGuide":{"type":"coverage-and-source-reporting-analysis","factCheck":{"status":"not-performed","note":"Media Bias News compares coverage and scores the source reporting. It does not currently publish a ClaimReview verdict on whether the underlying event or claim is true."},"sourceFactuality":{"note":"Factuality values describe published ratings of the outlets that covered the story. They are not a factuality verdict on this story or its claims."}},"story":{"id":"https://mediabias.news/business/researchers-hack-openai-using-anthropic-ai-model","slug":"researchers-hack-openai-using-anthropic-ai-model","url":"https://mediabias.news/business/researchers-hack-openai-using-anthropic-ai-model","title":"Researchers Hack OpenAI Using Anthropic AI Model","subtitle":"Cybersecurity team exploited a forum vulnerability to access internal code, earning a bug bounty.","excerpt":"Cybersecurity researchers used Anthropic's Claude AI to access OpenAI's internal systems by exploiting a vulnerability in the company's community forum. The team gained access to an employee's ChatGPT account, which was linked to the code repository, and reported the findings to OpenAI, receiving a $6,500 reward.","category":"Business & Economy","area":null,"publishedAt":"2026-09-18T17:05:12.852Z","sourceReportedAt":"2026-09-18T12:34:55.000Z","updatedAt":"2026-09-18T17:05:12.852Z","readTime":"4 min read","scores":{"trust":50,"critic":65,"hype":45,"notes":{"trust":"Central claim attributed to named body (Hacktron AI) and corroborated by two independent outlets.","critic":"Reports quote OpenAI and name the researchers, and specify the timeline and method of the breach.","hype":"Headlines emphasize the 'hack' and the use of a competitor's AI, but the body details a bug bounty program."}},"tags":["#Cybersecurity","#OpenAI","#Anthropic","#ClaudeAI","#AI","#BugBounty"],"entities":["Hacktron AI","OpenAI","Anthropic","Claude AI","The Wall Street Journal","Sam Altman","Greg Brockman"],"body":[{"type":"key_takeaways","items":["Cybersecurity researchers accessed OpenAI's internal systems using Anthropic's Claude AI model.","The hack exploited a vulnerability in OpenAI's community forum related to image processing.","Researchers gained access to an OpenAI employee's ChatGPT account, linked to the company's code repository.","OpenAI awarded the researchers $6,500 for discovering and reporting the vulnerabilities."]},{"type":"paragraph","text":"Cybersecurity researchers from Hacktron AI successfully accessed internal systems at OpenAI by leveraging Anthropic's Claude AI model. The incident, which occurred in July, involved exploiting a vulnerability in OpenAI's community forum that was related to image processing. This allowed the researchers to gain access to an OpenAI employee's ChatGPT account, which was connected to the company's code repository. The details of the breach were later revealed by The Wall Street Journal. OpenAI acknowledged the findings and rewarded the Hacktron AI team with $6,500 for identifying and reporting the security flaws."},{"type":"heading","text":"Disagreement on timeline"},{"type":"paragraph","text":"Tech Radar reported that the entire timeline from vulnerability discovery to repository access took less than 72 hours. Eldiario.es stated the attack began on 23 July and that the researchers revealed the details exclusively to The Wall Street Journal now, without specifying a total duration for the exploit."},{"type":"heading","text":"What the coverage left out"},{"type":"paragraph","text":"None of the left-rated reports below mention the specific vulnerability related to the libheif exploit or the ImageMagick conversion process that was detailed in the centre-rated Tech Radar report. None of the right-rated reports below mention the specific vulnerability related to the libheif exploit or the ImageMagick conversion process that was detailed in the centre-rated Tech Radar report."}],"basedOn":[{"sourceName":"WWAY TV","url":"https://wwaytv3.com/3-guys-hacked-openai-using-a-rival-anthropic-model-heres-what-it-shows-about-frontier-labs-vulnerabilities","headline":"3 guys hacked OpenAI using a rival Anthropic model. Here's what it shows about frontier labs' vulnerabilities.","angle":"","publishedAt":"2026-09-23T11:20:43.000Z"},{"sourceName":"Thanh Niên","url":"https://thanhnien.vn/chuyen-gia-dung-claude-cua-anthropic-xam-nhap-thanh-cong-openai-185260923093522461.htm","headline":"Experts Using Anthropic's Claude Successfully Hacked OpenAI.","angle":"","publishedAt":"2026-09-23T02:54:00.000Z"},{"sourceName":"Siècle Digital","url":"https://siecledigital.fr/2026/09/22/en-utilisant-claude-des-chercheurs-ont-reussi-a-pirater-openai-en-moins-de-72-heures","headline":"Using Claude, Researchers Managed to Hack OpenAI in Less than 72 Hours","angle":"","publishedAt":"2026-09-22T14:55:18.941Z"},{"sourceName":"سعودي شوبر","url":"https://saudishopper.com.sa/ar/openai-security-vulnerabilities-claude-exploit","headline":"OpenAI Security Gaps and Ways to Exploit Them","angle":"","publishedAt":"2026-09-22T07:35:19.000Z"},{"sourceName":"tempo.co","url":"https://en.tempo.co/read/2120067/researcher-awarded-6500-for-breaching-openai-using-claude","headline":"Researcher Awarded $6,500 for Breaching OpenAI Using Claude","angle":"","publishedAt":"2026-09-22T07:25:18.000Z"},{"sourceName":"A Haber","url":"https://ahaber.com.tr/teknoloji/2026/09/22/openai-laboratuvarinda-yapay-zeka-ajanlari-cetelesti","headline":"OpenAI Revealed a Cybersecurity Crisis Where AI Agents Overstepped Their Boundaries.","angle":"","publishedAt":"2026-09-22T06:25:36.000Z"},{"sourceName":"itsocial.fr","url":"https://itsocial.fr/cybersecurite/cybersecurite-actualites/un-forum-heberge-et-un-sso-mal-regle-ont-ouvert-le-depot-interne-dopenai","headline":"A Hosted Forum and a Poorly Tuned SSO Opened OpenAI's Internal Repository","angle":"","publishedAt":"2026-09-22T06:23:56.000Z"},{"sourceName":"Absolutezero studio - web agency Taranto e social media consulting","url":"https://absolutezero.it/ricercatori-hackerano-openai-con-claude","headline":"OpenAI Hacked with Claude: Reward to Researchers","angle":"","publishedAt":"2026-09-22T05:30:00.000Z"},{"sourceName":"DevOps.com","url":"https://devops.com/codex-sandbox-escapes-show-why-agent-guardrails-cant-live-inside-the-agent","headline":"Codex Sandbox Escapes Show Why Agent Guardrails Can't Live Inside the Agent","angle":"","publishedAt":"2026-09-21T15:29:52.000Z"},{"sourceName":"eSecurityPlanet","url":"https://esecurityplanet.com/news/news-openai-heif-github-vulnerability","headline":"Malicious HEIF Upload Reached OpenAI’s Internal GitHub, Researchers Reveal","angle":"","publishedAt":"2026-09-21T14:46:23.000Z"},{"sourceName":"CSO Online","url":"https://csoonline.com/article/4224453/after-spending-billions-openai-still-has-gaps-in-its-cybersecurity.html","headline":"After spending billions, OpenAI still has gaps in its cybersecurity","angle":"","publishedAt":"2026-09-21T14:20:54.000Z"},{"sourceName":"Canaltech","url":"https://canaltech.com.br/inteligencia-artificial/openai-foi-invadida-por-hackers-que-usaram-rival-do-chatgpt","headline":"OpenAI Was Invaded by Hackers Who Used ChatGPT Rival","angle":"","publishedAt":"2026-09-21T13:06:00.000Z"},{"sourceName":"Heti Világgazdaság","url":"https://hvg.hu/tudomany/20260921_anthropic-claude-openai-hackertamadas-kutatok-mesterseges-intelligencia","headline":"Hackers Broke Into OpenAI, Helped by Rival Anthropic's Artificial Intelligence","angle":"","publishedAt":"2026-09-21T11:03:00.000Z"},{"sourceName":"SempreUPdate","url":"https://sempreupdate.com.br/openai-codex-seguranca-falha-sandbox","headline":"OpenAI Codex Security: Failed to Run Host Commands","angle":"","publishedAt":"2026-09-21T11:00:00.000Z"},{"sourceName":"The Star Kuala Lumpur","url":"https://thestar.com.my/tech/tech-news/2026/09/21/researchers-used-claude-to-breach-openai039s-internal-systems","headline":"Researchers used Claude to breach OpenAI's internal systems","angle":"","publishedAt":"2026-09-21T09:00:00.000Z"},{"sourceName":"dunya.com","url":"https://dunya.com/ekonomi/uc-arastirmaci-claude-ile-openainin-sistemine-girdi-haberi-840799","headline":"Three Researchers, Including Claude, Gained Access to OpenAI's System: They Even Reached the Private Code Repository - Dünya Gazetesi","angle":"","publishedAt":"2026-09-21T07:31:00.000Z"},{"sourceName":"India TV News","url":"https://indiatvnews.com/technology/news/how-3-indian-origin-researchers-used-claude-to-breach-openai-systems-in-72-hours-2026-09-21-1054818","headline":"How 3 Indian-origin researchers used Claude to breach OpenAI systems in 72 hours","angle":"","publishedAt":"2026-09-21T06:43:12.000Z"},{"sourceName":"SOFX","url":"https://sofx.com/hacktron-breached-openai-in-72-hours-using-claude-and-a-bug-no-one-tracked","headline":"Hacktron Breached OpenAI in 72 Hours Using Claude and a Bug No One Tracked","angle":"","publishedAt":"2026-09-21T04:28:23.000Z"},{"sourceName":"unsafe.sh","url":"https://unsafe.sh/go-443707.html","headline":"Security Researchers Disclose Codex Sandbox Escape Vulnerability that Could Execute High-Risk Commands on the Host Machine.","angle":"","publishedAt":"2026-09-21T03:30:21.000Z"},{"sourceName":"Amar Ujala","url":"https://amarujala.com/india-news/three-indian-researchers-used-claude-ai-to-find-openai-security-vulnerabilities-2026-09-21","headline":"AI Breaches OpenAI Systems: Three Indian Researchers Uncover Security Flaw Within 72 Hours","angle":"","publishedAt":"2026-09-21T00:00:47.000Z"},{"sourceName":"Attention to the 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HACKED...","angle":"","publishedAt":"2026-09-20T00:20:50.000Z"},{"sourceName":"Regeneración","url":"https://regeneracion.mx/utilizan-ia-de-anthropic-para-hackear-openai","headline":"Anthropic AI Used to Hack OpenAI - RegenerationMX","angle":"","publishedAt":"2026-09-19T21:30:00.000Z"},{"sourceName":"plovdiv24.bg","url":"https://plovdiv24.bg/novini/mejdunarodni/72-chasa-i-6500-dolara-Kak-Claude-probi-zashtitata-na-OpenAI-3027708","headline":"72 Hours and $6,500: How Claude Broke Through OpenAI's Defenses","angle":"","publishedAt":"2026-09-19T20:23:43.000Z"},{"sourceName":"The Hacker News","url":"https://thehackernews.com/2026/09/claude-opus-5-helped-researchers-take.html","headline":"Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws","angle":"","publishedAt":"2026-09-19T18:36:53.000Z"},{"sourceName":"techmaniacs.gr","url":"https://techmaniacs.gr/ereynites-chrisimopoiisana-to-claude-kai-chakaran-tin-openai-kaneis-den-einai-asfalis","headline":"Researchers Used Claude and Hacked OpenAI! No One Is Safe - Techmaniacs","angle":"","publishedAt":"2026-09-19T17:05:03.000Z"},{"sourceName":"navbharatlive.com","url":"https://navbharatlive.com/technology/anthropic-claude-hacked-chatgptai-on-ai-attack-srs13","headline":"Anthropic Claude Hacked ChatGPT, Revealing the Story of an AI Attack on AI.","angle":"","publishedAt":"2026-09-19T15:57:03.000Z"},{"sourceName":"teknikveckan.se","url":"https://teknikveckan.se/sakerhetsforskare-anvande-claude-for-att-hacka-openai","headline":"Säkerhetsforskare Använde Claude for Att Hacka OpenAI","angle":"","publishedAt":"2026-09-19T15:02:14.970Z"},{"sourceName":"recordere.dk","url":"https://recordere.dk/2026/09/forskere-brugte-claude-til-at-hacke-sig-ind-hos-openai","headline":"Researchers Used Claude to Hack Into OpenAI","angle":"","publishedAt":"2026-09-19T14:48:16.000Z"},{"sourceName":"dailythedestination.com","url":"https://dailythedestination.com/ai-tool-helps-researchers-breach-openai-forum","headline":"AI Tool Helps Researchers Breach OpenAI Forum - THE DESTINATION","angle":"","publishedAt":"2026-09-19T13:43:21.000Z"},{"sourceName":"Jordan News | Latest News from Jordan, MENA","url":"https://jordannews.jo/Section-129/Technology/Security-Researchers-Used-Claude-to-Hack-OpenAI-Received-Bounty-56171","headline":"Security Researchers Used Claude to Hack OpenAI, Received Bounty","angle":"","publishedAt":"2026-09-19T13:18:07.445Z"},{"sourceName":"ekonomim.com","url":"https://ekonomim.com/dunya/siber-dunyada-gorulmemis-olay-hackerlar-openaia-girmek-icin-claudeu-kullandi-haberi-919339","headline":"An Unprecedented Event in the Cyber World: Hackers Used Claude to Infiltrate OpenAI.","angle":"","publishedAt":"2026-09-19T12:16:00.000Z"},{"sourceName":"ENTER.CO","url":"https://enter.co/especiales/dev/hackeo-a-openai-claude-ayudo-a-acceder-a-su-codigo-interno","headline":"Hacking OpenAI: Claude Helped Access His Internal Code","angle":"","publishedAt":"2026-09-19T11:56:53.000Z"},{"sourceName":"Mediarun Search","url":"https://mediarunsearch.co.uk/researchers-used-claude-to-exploit-openai-employee-chatgpt-accounts","headline":"Researchers Used Claude to Exploit OpenAI Employee ChatGPT Accounts","angle":"","publishedAt":"2026-09-19T11:30:46.000Z"},{"sourceName":"Mathrubhumi","url":"https://mathrubhumi.com/technology/news/openai-security-breach-indian-researchers-hacktron-ai-bug-bounty-usc5u2xc","headline":"Indian Hackers Hack Open AI System; Used Anthropic's Cloud AI","angle":"","publishedAt":"2026-09-19T11:27:55.000Z"},{"sourceName":"आज तक","url":"https://aajtak.in/short-videos/video/openai-security-breach-anthropic-tool-cyber-researchers-chatgpt-employee-account-bug-bounty-internal-signup-access-reported-mmta-2647234-2026-09-19","headline":"OpenAI Employee's Account Hacked! AI Security Questions Raised!","angle":"","publishedAt":"2026-09-19T11:23:59.000Z"},{"sourceName":"www.cnews.fr","url":"https://cnews.fr/vie-numerique/2026-09-19/des-chercheurs-ont-pirate-openai-en-utilisant-une-ia-danthropic-1921237","headline":"Researchers Hacked OpenAI Using an Anthropic AI","angle":"","publishedAt":"2026-09-19T08:56:15.764Z"},{"sourceName":"Slashdot","url":"https://slashdot.org/story/26/09/19/0518206/gemini-breached-three-outside-systems-and-claude-using-researchers-breached-openai","headline":"Gemini Breached Three Outside Systems, and Claude-Using Researchers Breached OpenAI","angle":"","publishedAt":"2026-09-19T08:34:00.000Z"},{"sourceName":"Kursors.lv","url":"https://kursors.lv/2026/09/19/petnieki-izmantojusi-anthropic-claude-lai-uzlauztu-openai-sistemas","headline":"Pētnieki Izmantojuši “Anthropic Claude”, Lai Uzlauztu “OpenAI” Sistēmas","angle":"","publishedAt":"2026-09-19T07:04:00.678Z"},{"sourceName":"TNW","url":"https://thenextweb.com/news/hacktron-claude-openai-bug-bounty-6500-guardrails-paper","headline":"A route into OpenAI's internal code was worth $6,500","angle":"","publishedAt":"2026-09-19T06:27:52.000Z"},{"sourceName":"techgear.gr","url":"https://techgear.gr/ereynites-chakaran-tin-openai-mesa-se-molis-3-ores-chrisimopoiontas-to-claude-50573","headline":"Researchers Hacked OpenAI in Just 3 Hours using... Claude","angle":"","publishedAt":"2026-09-19T06:07:00.000Z"},{"sourceName":"asiae.co.kr","url":"https://asiae.co.kr/article/2026091914503091208","headline":"\"Claude Breached ChatGPT\"... 72 Hours to System Penetration","angle":"","publishedAt":"2026-09-19T05:55:52.000Z"},{"sourceName":"RayHaber","url":"https://rayhaber.com/2026/09/claude-tarafindan-ortaya-cikarilan-openai-guvenlik-acigi","headline":"OpenAI Vulnerability Discovered by Claude","angle":"","publishedAt":"2026-09-19T04:24:07.000Z"},{"sourceName":"Cumhuriyet","url":"https://cumhuriyet.com.tr/bilim-teknoloji/openai-daki-guvenlik-acigi-claude-ile-kesfedildi-2538935","headline":"The Security Vulnerability in OpenAI Was Discovered by Claude.","angle":"","publishedAt":"2026-09-19T04:07:00.000Z"},{"sourceName":"El Periodista Online","url":"https://elperiodista.cl/2026/09/investigadores-usan-ia-de-anthropic-para-acceder-al-codigo-interno-de-openai-y-revelar-dos-fallas-de-seguridad","headline":"Researchers Use Anthropic AI to Access OpenAI's Internal Code and Reveal Two Security Flaws","angle":"","publishedAt":"2026-09-19T03:05:41.000Z"},{"sourceName":"onlarissa.gr","url":"https://onlarissa.gr/2026/09/19/techniti-noimosyni-chakarisan-tin-openai-chrisimopoiontas-to-claude-tis-anthropic","headline":"Artificial Intelligence: OpenAI \"Hacked\" Using Anthropic's Claude - 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